Three-Year Time Limit For Filing GST Returns In addition to locking GSTR-3B after filing, GSTN has also introduced a strict deadline for filing any GST returns.

Starting July 2025, the GSTN will make the GSTR-3B form non-editable to enhance consistency and reduce revenue leakages. Taxpayers must use GSTR-1A to amend outward supplies before filing GSTR-3B ...